Photograph by Underwood Sf Underwood 
A Pack-train on the Andes Trail in Colombia 
“ In the United States with every forwarding facility, the largest, best and most complete transportation sys 
tems on earth, we are prone to think of the rest of the world as being similarly provided with modern methods for 
handling goods. The fact is that the burro, the llama, the camel, the elephant, the coolie and the Indian are yet 
the greatest common carriers ”